ICD-10-CM Codes
G00-G99
G40-G47
Section G40-G47 Episodic and paroxysmal disorders G40-G47
Code List:
G40
Epilepsy and recurrent seizures
Code hierarchy
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G40
Epilepsy and recurrent seizures
- G40.0 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
- G40.00 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable
- G40.001 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, with status epilepticus
- G40.009 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, without status epilepticus
- G40.01 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable
- G40.011 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable, with status epilepticus
- G40.019 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable, without status epilepticus
- G40.00 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable
- G40.1 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures
- G40.10 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable
- G40.101 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable, with status epilepticus
- G40.109 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable, without status epilepticus
- G40.11 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable
- G40.111 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable, with status epilepticus
- G40.119 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable, without status epilepticus
- G40.10 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable
- G40.2 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures
- G40.20 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable
- G40.201 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable, with status epilepticus
- G40.209 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable, without status epilepticus
- G40.21 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable
- G40.211 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable, with status epilepticus
- G40.219 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable, without status epilepticus
- G40.20 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable
- G40.3 Generalized idiopathic epilepsy and epileptic syndromes
- G40.A Absence epileptic syndrome
- G40.B Juvenile myoclonic epilepsy [impulsive petit mal]
- G40.C Lafora progressive myoclonus epilepsy
- G40.4 Other generalized epilepsy and epileptic syndromes
- G40.5 Epileptic seizures related to external causes
- G40.8 Other epilepsy and recurrent seizures
- G40.0 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset
G43
Migraine
Code hierarchy
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G43
Migraine
- G43.0 Migraine without aura
- G43.1 Migraine with aura
- G43.4 Hemiplegic migraine
- G43.5 Persistent migraine aura without cerebral infarction
- G43.6 Persistent migraine aura with cerebral infarction
- G43.7 Chronic migraine without aura
- G43.A Cyclical vomiting
- G43.B Ophthalmoplegic migraine
- G43.C Periodic headache syndromes in child or adult
- G43.D Abdominal migraine
- G43.8 Other migraine
- G43.9 Migraine, unspecified
G44
Other headache syndromes
Code hierarchy
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G44
Other headache syndromes
- G44.0 Cluster headaches and other trigeminal autonomic cephalgias (TAC)
- G44.00 Cluster headache syndrome, unspecified
- G44.01 Episodic cluster headache
- G44.02 Chronic cluster headache
- G44.03 Episodic paroxysmal hemicrania
- G44.04 Chronic paroxysmal hemicrania
- G44.05 Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT)
- G44.09 Other trigeminal autonomic cephalgias (TAC)
- G44.1 Vascular headache, not elsewhere classified
- G44.2 Tension-type headache
- G44.3 Post-traumatic headache
- G44.4 Drug-induced headache, not elsewhere classified
- G44.5 Complicated headache syndromes
- G44.0 Cluster headaches and other trigeminal autonomic cephalgias (TAC)
G45
Transient cerebral ischemic attacks and related syndromes
Code hierarchy
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G45
Transient cerebral ischemic attacks and related syndromes
- G45.0 Vertebro-basilar artery syndrome
- G45.1 Carotid artery syndrome (hemispheric)
- G45.2 Multiple and bilateral precerebral artery syndromes
- G45.3 Amaurosis fugax
- G45.4 Transient global amnesia
- G45.8 Other transient cerebral ischemic attacks and related syndromes
- G45.9 Transient cerebral ischemic attack, unspecified
G46
Vascular syndromes of brain in cerebrovascular diseases
Code hierarchy
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G46
Vascular syndromes of brain in cerebrovascular diseases
- G46.0 Middle cerebral artery syndrome
- G46.1 Anterior cerebral artery syndrome
- G46.2 Posterior cerebral artery syndrome
- G46.3 Brain stem stroke syndrome
- G46.4 Cerebellar stroke syndrome
- G46.5 Pure motor lacunar syndrome
- G46.6 Pure sensory lacunar syndrome
- G46.7 Other lacunar syndromes
- G46.8 Other vascular syndromes of brain in cerebrovascular diseases
G47
Sleep disorders
Code hierarchy
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G47
Sleep disorders
- G47.0 Insomnia
- G47.1 Hypersomnia
- G47.2 Circadian rhythm sleep disorders
- G47.20 Circadian rhythm sleep disorder, unspecified type
- G47.21 Circadian rhythm sleep disorder, delayed sleep phase type
- G47.22 Circadian rhythm sleep disorder, advanced sleep phase type
- G47.23 Circadian rhythm sleep disorder, irregular sleep wake type
- G47.24 Circadian rhythm sleep disorder, free running type
- G47.25 Circadian rhythm sleep disorder, jet lag type
- G47.26 Circadian rhythm sleep disorder, shift work type
- G47.27 Circadian rhythm sleep disorder in conditions classified elsewhere
- G47.29 Other circadian rhythm sleep disorder
- G47.3 Sleep apnea
- G47.30 Sleep apnea, unspecified
- G47.31 Primary central sleep apnea
- G47.32 High altitude periodic breathing
- G47.33 Obstructive sleep apnea (adult) (pediatric)
- G47.34 Idiopathic sleep related nonobstructive alveolar hypoventilation
- G47.35 Congenital central alveolar hypoventilation syndrome
- G47.36 Sleep related hypoventilation in conditions classified elsewhere
- G47.37 Central sleep apnea in conditions classified elsewhere
- G47.39 Other sleep apnea
- G47.4 Narcolepsy and cataplexy
- G47.5 Parasomnia
- G47.6 Sleep related movement disorders
- G47.8 Other sleep disorders
- G47.9 Sleep disorder, unspecified